Altadena is located in south California. Altadena is part of Los Angeles County. Altadena has 8.71 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Altadena population is 44,622, which has grown 4.72% since 2000. The population growth rate is much lower than the state average rate of 12.39% and is much lower than the national average rate of 11.61%. Altadena median household income is $83,917 in 2010-2014 and has grown by 38.59% since 2000. The income growth rate is higher than the state average rate of 29.47% and is higher than the national average rate of 27.36%. Altadena median house value is $572,400 in 2010-2014 and has grown by 119.31% since 2000. The house value growth rate is much higher than the state average rate of 75.60% and is much higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Altadena is close to the state average in quality. The Altadena area code is 626.